Insulated drinking cup



FIG. 1 is a front elevational view of an insulated drinking cup showingmy new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view of the right side of FIG. 1;

FIG. 4 is a side elevational view of the left side of FIG. 1; and,

FIG. 5 is a bottom plan view of FIG. 1.

The ornamental design for an insulated drinking cup, as shown anddescribed.